code: def _unique_grid_points(values):
      unique_points = np.unique(values)
      unique_points.sort()
      return unique_points
  
file_path: interpret/python/interpret-core/interpret/blackbox/_partialdependence.py
imports: from ..api.base import ExplainerMixin, ExplanationMixin
  import numpy
  from ..utils._explanation import gen_name_from_class, gen_global_selector
  from ..utils._clean_x import preclean_X
  from ..utils._unify_predict import determine_classes, unify_predict_fn
  from ..utils._unify_data import unify_data
label_desc: Use image node_id 1 for calling a global function with example usage: _unique_grid_points(values) and returns: unique_points